C - Chemistry – Metallurgy – 25 – D
Patent
C - Chemistry, Metallurgy
25
D
204/22.6
C25D 11/14 (2006.01) C25D 11/12 (2006.01) C25D 11/24 (2006.01)
Patent
CA 1061280
ABSTRACT OF THE DISCLOSURE A green colored anodic oxide film on an aluminum or aluminum base alloy article is obtained by subjecting the article to alternating current anodization in an anodic oxida- tion bath containing sulfuric acid and then immersing the resulting article in an aqueous solution containing copper ions and an acid, followed by an aftertreatment.
257620
Hirokane Tadashi
Sato Tomoari
Tsukiyasu Tadashi
Yanagida Kiyomi
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